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Uniaxial Complex Relative Permittivity Tensor Measurement of Rocks From 40 Hz to 4.5 GHz

IEEE Transactions on Geoscience and Remote Sensing, 2017
We develop a set of combined measurement techniques and calculation workflows to determine the complex uniaxial dielectric tensor of a rock sample from 40 Hz to 4.5 GHz. This unique method provides the ability to develop interpretation models bridging electrical logging tools with their corresponding operational frequencies and measurement direction ...
Fouad Shehab   +5 more
openaire   +1 more source

Studying the effect of charged particle’s flow velocity on the relative complex permittivity of dusty plasma

Optik, 2019
Abstract In this paper, the expression of relative complex permittivity is deduced based on considering the effect of charged particle’s (electrons and ions) flow velocity. The theoretical deduction manifests that the relative complex permittivity is related to temperature, pressure and frequency, especially the flow velocity of charged particles. In
Ming-ye Li   +3 more
openaire   +1 more source

Complex relative permittivity measurement of ceramics by Fabry-Perot resonator in millimeter frequency range

1999 Symposium on High Performance Electron Devices for Microwave and Optoelectronic Applications. EDMO (Cat. No.99TH8401), 2003
Several techniques for measuring accurately the complex permittivity of ceramics using a Fabry-Perot resonator have been developed in millimeter frequency range. Accurate measurement became possible at 40-60 GHz by the three new techniques: 1. exact centering of the sample; 2. exact determination of the sample normal direction parallel to the resonator
Y. Itoh, Y. Higashida
openaire   +1 more source

Complex Relative Permittivity Measurement of Selected 3D-Printed Materials up to 10 GHz

2019 Conference on Microwave Techniques (COMITE), 2019
In this contribution, the complex relative permittivity of selected materials for additive manufacturing 3D print technology is measured. The included materials are acrylonitrile butadiene styrene (ABS), polyethylene terephthalate (PET), polylactic acid (PLA), XT co-polyester and special material with admixture of cork.
Jaroslav Zechmeister, Jaroslav Lacik
openaire   +1 more source

DiP256: The temperature coefficient of the relative permittivity of complex perovskites and its relation to structural transformations

Ferroelectrics, 1992
Abstract The dielectric behaviour and structure of the BaxSr1–x(Zn1/3Nb2/3)O3 (BSZN) solid solution have been investigated with the intention of understanding an anomaly which exists in the temperature coefficient of the dielectric constant (τϵ) at x ≈ 0.5. A correlation between τe and the occurrence of O-octahedra tilts has been established.
E. L. Colla, I. M. Reaney, N. Setter
openaire   +1 more source

Approximate complex electrical potential distribution in the monodomain model with unequal conductivity and relative permittivity anisotropy ratios

Physiological Measurement, 2019
Abstract Objective : Electrical conductivity and relative permittivity are properties that indicate muscle health and they have different values parallel and perpendicular to the direction of the myofiber, a concept known as anisotropy.
H, Kwon   +4 more
openaire   +2 more sources

(Invited) Complex Relative Permittivity of UV-C Transparent AlN

ECS Transactions, 2021
Rafael Dalmau   +3 more
openaire   +1 more source

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